<template>
	<div class="icons">
		<swiper :options="swiperOption">
			<swiper-slide v-for="(page,index) in pages" :key="index">
				<div class="icon" v-for="item in page" :key="item.id">
					<div class="icon-img">
						<img class="icon-img-content" :src="item.imgUrl" alt="" />
					</div>	
					<p class="desc">{{item.desc}}</p>
				</div>
			</swiper-slide>
		</swiper>	
	</div>
</template>

<script>
	export default{
		name : 'HomeIcons',
		props:{
			iconList : {
				type : Array,
				default : []
			}
		},
		data(){
			return{
				swiperOption : {
					autoplay : false
				}
			}
		},
		computed:{
			pages(){
				const pages = []
				this.iconList.forEach(function(item,index){
					const page = Math.floor(index/8)
					if(!pages[page]){
						pages[page] = []
					}
					pages[page].push(item)
				})
				return pages
			}
		}
	}
</script>

<style lang="stylus" scoped>
	@import '~styles/common.styl'
	@import '~styles/mixin.styl'
	.icons >>> .swiper-container 
		height:0
		padding-bottom:50%
		.icon
			float:left
			position:relative
			overflow:hidden
			width:25%
			height:0
			padding-bottom:25%
			.icon-img
				position:absolute
				top:0
				left:0
				right:0
				box-sizing:border-box
				padding:.1rem
				bottom:.44rem
				.icon-img-content
					display:block	
					margin:0 auto
					height:100%
			.desc
				position:absolute
				bottom:0
				left:0		
				right:0		
				line-height:.44rem
				text-align:center
				color:$textColor
				ellipsis()
</style>